This module covers voip and it’s components. This is Part 2 of our voip (Voice-over-IP) module. We highly recommend viewing our first parts of this module to get foundation information regarding voip and it’s components. This part explains how Vonage and other voip providers and how they provide service to people across the world. These voip providers use atas or Analog-to-Telephone adapters that link your regular analog phones to the internet and then to the telecommunications networks across the globe.